package btree;

public class DoubleKey extends KeyClass{
	
	private double key;

	  public double toDouble(){
	     return key;
	  }

	  /** Class constructor
	   *  @param     s   the value of the string key to be set 
	   */
	  public DoubleKey(double s) { key = s; }

	  /** get a copy of the istring key
	  *  @return the reference of the copy 
	  */ 
	  public double getKey() {return key;}

	  /** set the string key value
	   */ 
	  public void setKey(double s) { key= s;}
}
